lawman - 10:24 pm on May 1, 2011 (gmt 0)
Consistency in day, time & host is critical to the game working. In its original iteration (Macguru started the thing and hosted it) it was always held Saturday mornings. Then the winner became the host (first weak link) who announced the time as long as it was still Saturday somewhere on the planet (second weak link).
Like I said, consistency in hosting and when it is held is the key.